#!/usr/bin/env python

# Copyright 2011 Google Inc. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

"""Street Identity Demo Attribute Provider - OAuth 2.0 Client."""

from google.appengine.dist import use_library
use_library('django', '1.2')
from google.appengine.ext import webapp
import logging

__author__ = "Maciej Machulak"
__maintainer__ = "Maciej Machulak"
__email__ = "mmachulak@google.com"

__copyright__ = "Copyright 2011, Google Inc."
__license__ = "Apache License 2.0"
__version__ = "0.1"
__status__ = "Prototype"

class TokenHandler(webapp.RequestHandler):
  
    """ Token endpoint for the Attribute Provider. """
  
    def get(self):
      logging.info('token handler')
      if 'http://oauth.net/grant_type/jwt/1.0/bearer' != self.request.get('grant_type'):
        logging.info('invalid grant type')
        self.response.set_code(401)
        return
      assertion = self.request.get('assertion')
      if assertion is None:
        logging.info('assertion not present in the request')
        self.response.set_code(401)
        return    
